package demo13;

/**
 * Created by Administrator on 2017/5/11.
 */
public class StaticTest {
    final static double PI=3.141592653;
    static int id;

    public static void method1(){
        System.out.println("hello world!");
    }

    public static void main(String[] args) {
            System.out.println(StaticTest.PI);
            System.out.println(StaticTest.id);
            StaticTest.method1();
    }

}
